Liquid for accumulators



Patented July 3c, 1929.,

7 UNITED sr rEs PA EN orries;

GUSTAV SCHMAUS, F PRAGUE, CZEGHOSLOVAKIA; I

LIaUInFoR AecuM'uLATons.

i No Drawing. Application filed August 20, 1928, Serial No. 300,951, audin Czechoslovakia September Upto-the present time accumulators have been filled with sulphuric acid of predeterthe electrodes have beeneaten away and dc stroyed, so that the life of the accumulators -,has been'a comparatively short one.

10 part by the sulphate separated out from the sulphuric acid in crystalline form;

The'foregoing drawbacks are remedied by the newly discovered liquid, in fact by the employment of the new liquid not only are no sulphates separated out in crystalline form, but the erystalline sulphates upon old=plates are again decomposed and removed without any residue. ,4 v

In addition to .-this, the newly discovered liquid does not freeze; so that it is not necessary to remove the batteries from a'car lduiringwinter.'--

One of the principal advantages of the new liquidisthat for a starting and lighting- ,equipmen't, the accumulator need no-l0nger withlthe helpof the. new liquid to, charge for from twe'nty'to thirty minutes in order to! of this short duration, a person is in a posibe charged for several hours, but it suifices- 'of the motor car. After a period ofchargin'g "amperes, The accumulator is continually filled up-vwith the employed to charge with this'new liquid-the acc'umula tor of an automobile Which has already been in use, 1n the first placetheold acid solution isremoved from the battery, and this latter is thoroughly iwashed' out with: distilled water, rafter this each cellis filled with the. new l1qu1d, 1ntil the plates are entirely submerged. The niotor isthen connected up and These electrodes are destroyed for-the most 7 charging takes place for twenty minutes at 10 requirements. Example distilled water according to of the acid Warm the: preparation ofone litre of the liquid'the fol lowing proportions andmaterials maybe 730 ccm, (cubic centimetres) distilled water (H OL- 240 ccm.. chemically pure sulphuric acid (Hr/;)

, 18 g. Anhydrous aluminium sulphate (AIOI-IC H OQ.

"ters Patent in the United States is tion to charge the accumulator constantly" from the motor of the automobile itself.

invention, ammonium-and aluminium salts,

According to the essential principle of the sulphuric acid, 5 ccm. basic aluminium ace- ,5

- e 1. A liquid for filling accumulators .prior N to charging consisting of sulphuric acid with which are mixed ammonium and aluminium salts and a basic acetate.- g v A solution for filling accumulators prior to charging consisting of sulphuric acid with which are mixed distilled water, basic alumin-, iuni; acetate, amm0niun1=. sulphate and, an hydrous aluminium sulphate.

i 3; solutiolrfor fillingaccumulators prior, to charging consisting substantially of 730 com -distilled water, 240 com, chemically .pure

tate, 4 g. ammonium sulphate and .18 g. of 1 anhydrous aluminium sulphate. x

ably coloured b ans of organic colouring i In testirriony whereof-I aflix my signature; '4

material.

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